Mathematics

Find the value of unknown x in the following diagram.


SOLUTION

In $$\Delta XYZ$$,
$$\angle ZXY+\angle XYZ+\angle YZX=180^o$$ [By angle sum property of a triangle]
$$\Rightarrow 30^o+110^o+x=180^o$$
$$\Rightarrow x+140^o=180^o$$
$$\Rightarrow x=180^o-140^o=40^o$$.
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Subjective Medium Published on 09th 09, 2020
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